xref: /freebsd/sys/fs/nfs/nfskpiport.h (revision 38f0b757fd84d17d0fc24739a7cda160c4516d81)
1 /*-
2  * Copyright (c) 2009 Rick Macklem, University of Guelph
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _NFS_NFSKPIPORT_H_
30 #define	_NFS_NFSKPIPORT_H_
31 /*
32  * These definitions are needed since the generic code is now using Darwin8
33  * KPI stuff. (I know, seems a bit silly, but I want the code to build on
34  * Darwin8 and hopefully subsequent releases from Apple.)
35  */
36 typedef	struct mount *		mount_t;
37 #define	vfs_statfs(m)		(&((m)->mnt_stat))
38 #define	vfs_flags(m)		((m)->mnt_flag)
39 
40 typedef struct vnode *		vnode_t;
41 #define	vnode_mount(v)		((v)->v_mount)
42 #define	vnode_vtype(v)		((v)->v_type)
43 
44 typedef struct mbuf *		mbuf_t;
45 #define	mbuf_freem(m)		m_freem(m)
46 #define	mbuf_data(m)		mtod((m), void *)
47 #define	mbuf_len(m)		((m)->m_len)
48 #define	mbuf_next(m)		((m)->m_next)
49 #define	mbuf_setlen(m, l)	((m)->m_len = (l))
50 #define	mbuf_setnext(m, p)	((m)->m_next = (p))
51 #define	mbuf_pkthdr_len(m)	((m)->m_pkthdr.len)
52 #define	mbuf_pkthdr_setlen(m, l) ((m)->m_pkthdr.len = (l))
53 #define	mbuf_pkthdr_setrcvif(m, p) ((m)->m_pkthdr.rcvif = (p))
54 
55 /*
56  * This stuff is needed by Darwin for handling the uio structure.
57  */
58 #define	CAST_USER_ADDR_T(a)	(a)
59 #define	CAST_DOWN(c, a)		((c) (a))
60 #define	uio_uio_resid(p)	((p)->uio_resid)
61 #define	uio_uio_resid_add(p, v)	((p)->uio_resid += (v))
62 #define	uio_uio_resid_set(p, v)	((p)->uio_resid = (v))
63 #define	uio_iov_base(p)		((p)->uio_iov->iov_base)
64 #define	uio_iov_base_add(p, v)	do {					\
65 	char *pp;							\
66 	pp = (char *)(p)->uio_iov->iov_base;				\
67 	pp += (v);							\
68 	(p)->uio_iov->iov_base = (void *)pp;				\
69     } while (0)
70 #define	uio_iov_len(p)		((p)->uio_iov->iov_len)
71 #define	uio_iov_len_add(p, v)	((p)->uio_iov->iov_len += (v))
72 
73 #endif	/* _NFS_NFSKPIPORT_H */
74